Oil-burner.



J. S. RANSOME & J. E. MONEELY.

OIL BURNER.

AYPLIOAI'ION FILED MAR. 13, 1911.

Patented Dec. 19, 1911.

W/TNESSES:

A TTOR/VEY JESSE S. RANSOME AND JOHN E. MCNEELY, F SEATTLE, WASHINGTON; SAID MCNEELY ASSIGNOIR- TO SAID RANSOME.

OIL-BURNER.

Specification oi Letters Patent.

Patented Dec. 19, 1911.

Application filed March 13, 1911. Serial No. 614,106.

ToalZ whom it may concern:

Be it. known that we, Jnssn S. RANSOME and JOHN E. MGNEELY, cltizens of the United States, residing at Seattle, in the county of King and State of \Vashingt-on, have invented certain new and useful Improvements in Oil-Burners, of which the following is a specification.

This invention relates to that class of crude oil-burners employing steam or compressed air as an agent for the atomizing, mixing and the injection of the combustible into a fire box or furnace and wherein the mingled comminuted oil and spraying fluid are consumed.

The object of our invention is the perfecting of such burners, and it consists in the novel construction and combination of devices, as will be hereinafter described and claimed.

In the accompanying drawings, Figure 1 is a longitudinal view partly in section and partly in elevation of devices embodying our invention. Fig. 2 is a transverse section taken through 2-2 of Fig. 1.

The reference numeral 5 designates a tapering hollow casing which is provided with a detachable burner tip, such as 6, at its smaller end, and is provided with a head 7 at the other end. The head is formed or provided at diametrically opposite sides with nipples 8 and 9 for coupling with an oil supply pipe at the bottom, preferably, and with a steam supply pipe from above. Compressed air may, however, be employed in lieu of steam, but for convenience of description and to avoid confusion the word steam only will be hereinafter used in the description. The passage from the oil supply nipple 8 terminates at a foraminatcd diaphragm 10.positioned in the end wall of a cavity 11 provided in the head. The other passage for steam leads from the nipple to an orifice 12 which is arranged to deliver steam against the circular wall 13 (Fig. 2) of said cavity and whereby the steam is caused to sweep across the face of the diaphragm 10 and thence be accom panied by oil and afforded a twirling motion in chamber A by means of a helical surface 14 formed at one side of the cavity.

Extending axially through the head 7 and a stufiing box 15 therein provided is the stem 16 of a regulator whose body is formed with circumferential ridges 17 and 17 having relatively sharp peripheral edges. A third ridge 18 is desirably provided on the regulator intermediate the aforesaid ridges. Between the said ridges, the valve body is provided with relatively small necks, as 19 and 20. A screw thread 21 is provided on the stem 16 to engage with a threaded counter bore in the head 7. An operating handle, or wheel, 22 is provided at the outer end of the stem for rotating the same when adjusting the position of the regulator. The ridges 17 and 17' constitute the valves and seats therefor are provided by spaced annular ridges 23 and 23' extending inwardly from the circumferential wall of the casing 7. These casing ridges afford partitions between which is a chamber 13, and also providing a chamber C between the ridge 23 and the discharge end of the burner.

The burner tip 6, as illustrated, is formed with a hollow knob-like head 24 which is provided with a transverse slot 25 to produce a fan shaped flame. Between the head 2d of burner tip and the burner casing 5 is a tubular connection, as 26, which may be of any suitable length. As shown on the drawing, this connection 26 is formed integral with the head and has a screw threaded socket 27 for coupling the same with the burner casing through the medium of an external screw thread upon the latter.

The operation of the invention is as follows: Steam admitted into the burner under a relatively high velocity through the orifice 12 impinges tangentially on the wall 13, and is thereby caused to take a circular path and flow over the screen, or perforated diaphragm 10, through which the oil flows into the burner. The steam absorbs the oil, or at leastpicks up the same and carries it in suspension. This mixture in its travel, and through the influence of contrifugaltforce, is guided against the helical surface 14: which causes the mixture to take a spiral course and be brought against the ridge 23 and is thereby directed in its escape from the chamber A against the neck 19 of the regulator. From the neck, the mixture is caused, by the flare obtaining in the regulator toward the periphery of ridge 18, to be deflected against the peripheral wall of chamber 13 and is therefrom reflected against the regulator neck 20. From this neck, the mixture is again deflected against the chamber wall at b and thence ejected into the chamber C to escape through the contracted outlet into the burner-tip.

The'more important features of our invention are in the employment of three communicating mixing chambers which are formed to coiiperate with said regulator to cause the mixture of oil and steam to flow ,in directions from and toward the axis of tion, and has proved to be eficient with a comparatively small consumption of oil.

"What we claim, is

1. An oil burner, comprising a casing having a plurality, of communicating mixing chambers, steam and oil inlets for the chamber at one end of the casing, a burnertip communicating with the chamber at'the other end of the-casing, and an adjustable regulator extending axially into said casing and providedwith annular ridges for regulating the size of the openings between the adjacent chambers. V

2. An oil burner, comprising a casing having annular ridges to afford a plurality of communicating mixing chambers, steam and oil inlets for the chamberat one end of the casing, a burner-tip communicating with the chamber at the other end of the casing,

* and an adjustable regulator extending axlally into said casing and provided with annular ridges which coiiperate with the ridges of the casing for regulating the size of the openings between the adjacent chamhers, said regulator ridges also serving in cooperation with the casing ridges to cause a current-of combustible passing through the burner to intermittently flow from and toward the axis of the casing.

3. An oil burner comprising a tapering easing having a plurality of communicating of the casing and having a screw threaded stem extending through a threaded hole in said head, said regulator being formed with a plurality of annular ridges which serve as deflectors for the fuel in passing through the burner. j

4. An oil burner comprising a tapering casing having a plurality of communicating mixing chambers therein, a burner-tip s'ecured to one end of said casing,-a head secured to the other end of the casing and provided interiorly of the casing with a cavity, steam and fuel inlets for said head and disposed at diametrically opposite sides of the cavity, and a regulator disposed axially 'of the casing and having a screw threaded stem extending through a thread-- ed hole in said head, said regulator being formed with a plurality of annular ridges which serve as deflectors for the fuel in passing through the burner.

5 An oil burner comprising a tapering casing having a plurality of communicating mixing chambers .therein, a burner-tip secured t0"-one end of. saidwcasing and provided with a knob-like extremity having a transverse slot, a head secured to the other end of the casing and provided interiorly of the casing with a cavity, steam and fuel inlets for said head and disposed at diametrically'opposite sides of the cavity, and a regulator disposed axially of the casing and having a screw threaded stem extending through a threaded hole in-said head,

said regulator being formed with a plu:

rality of annular ridges which serve as deflectors for the fuel in passing through the burner.

JESSE S. RANSOME- I JOHN E. MCNEELY. Witnesses:

Pmnn BARNES, E. Pn'rnnsoiv. 

